With regard to the crab grass, the weed twister with the double coils
does a good job of getting at the crab grass roots and twisting out the
majority of networked roots and prostrate stems and rhizomes. You can
also use the tool for fishing for any remaining roots beneath the
surface. You'll still have to do additional twisting every few months,
but the work will be reduced considerably and this long-handled tool is
also easy on your back.

Organic is the way to go!

Ray
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Talk about weeds: the World of Weeds www.ergonica.com